← Resistor colour code lesson New set →

Electronics Worksheet: Resistor Colour Code

Electronics lesson 15: Resistor colour code · Set 729 · 40 questions
TalentJR

Remember (Digit, digit, zeros): black 0 · brown 1 · red 2 · orange 3 · yellow 4 · green 5 · blue 6 · violet 7 · grey 8 · white 9. Band 1 and band 2 = two digits; band 3 = number of zeros to add. Examples: brown-black-red = 1000 Ω; yellow-violet-brown = 470 Ω; red-red-red = 2200 Ω = 2.2 kΩ.

NameDateTime takenScore ___ / 40
  1. 1.🌈 In the resistor colour code, which number does black stand for?
  2. 2.🌈 A gold fourth band on a resistor means the value may be off by … (a) 0 % (b) 25 % (c) 5 % (d) 50 %
  3. 3.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 57 Ω resistor? (a) green-violet-black (b) blue-violet-black (c) green-violet-brown (d) violet-green-black
  4. 4.🌈 A resistor has the colour bands green, grey, black. What is its value (in ohms)?
  5. 5.🌈 In the resistor colour code, which number does brown stand for?
  6. 6.🌈 Which band is read first on a resistor? (a) the one nearest an end (b) the gold band (c) the widest gap (d) any band
  7. 7.🌈 A resistor has the colour bands grey, green, orange. What is its value (in ohms)?
  8. 8.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 920 Ω resistor? (a) white-red-brown (b) white-red-black (c) white-red-red (d) red-white-brown
  9. 9.🌈 A resistor has the colour bands green, red, red. What is its value (in ohms)?
  10. 10.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 22 Ω resistor? (a) red-red-black (b) red-red-brown (c) red-orange-black (d) orange-red-black
  11. 11.🌈 A resistor has the colour bands orange, orange, yellow. What is its value in kilo-ohms (kΩ)? =
  12. 12.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 7600 Ω resistor? (a) blue-violet-red (b) violet-blue-red (c) violet-blue-orange (d) violet-blue-brown
  13. 13.🌈 A resistor has the colour bands grey, white, black. What is its value (in ohms)?
  14. 14.🌈 A resistor has the colour bands blue, yellow, orange. What is its value in kilo-ohms (kΩ)? =
  15. 15.🌈 In the resistor colour code, which number does white stand for?
  16. 16.🌈 A resistor has the colour bands white, red, yellow. What is its value in kilo-ohms (kΩ)? =
  17. 17.🌈 A resistor has the colour bands blue, green, black. What is its value (in ohms)?
  18. 18.🌈 A resistor has the colour bands green, black, orange. What is its value in kilo-ohms (kΩ)? =
  19. 19.🌈 In the resistor colour code, which number does red stand for?
  20. 20.🌈 A resistor has the colour bands brown, grey, brown. What is its value (in ohms)?
  21. 21.🌈 A resistor has the colour bands white, grey, yellow. What is its value in kilo-ohms (kΩ)? =
  22. 22.🌈 A resistor has the colour bands violet, blue, orange. What is its value in kilo-ohms (kΩ)? =
  23. 23.🌈 A resistor has the colour bands red, black, red. What is its value in kilo-ohms (kΩ)? =
  24. 24.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 87 Ω resistor? (a) grey-violet-black (b) violet-grey-black (c) grey-violet-brown (d) white-violet-black
  25. 25.🌈 A resistor has the colour bands green, blue, orange. What is its value (in ohms)?
  26. 26.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 930 Ω resistor? (a) white-orange-black (b) white-orange-red (c) orange-white-brown (d) white-orange-brown
  27. 27.🌈 A resistor has the colour bands green, green, orange. What is its value in kilo-ohms (kΩ)? =
  28. 28.🌈 A resistor has the colour bands blue, blue, brown. What is its value (in ohms)?
  29. 29.🌈 A resistor has the colour bands white, violet, orange. What is its value (in ohms)?
  30. 30.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 80 Ω resistor? (a) grey-black-brown (b) white-grey-black (c) white-black-black (d) grey-black-black
  31. 31.🌈 A resistor has the colour bands white, red, brown. What is its value (in ohms)?
  32. 32.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 130 Ω resistor? (a) brown-orange-black (b) orange-brown-brown (c) brown-orange-brown (d) brown-orange-red
  33. 33.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 4800 Ω resistor? (a) grey-yellow-red (b) yellow-grey-red (c) yellow-grey-orange (d) yellow-grey-brown
  34. 34.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 2700 Ω resistor? (a) red-violet-orange (b) red-violet-brown (c) violet-red-red (d) red-violet-red
  35. 35.🌈 A resistor has the colour bands blue, green, orange. What is its value (in ohms)?
  36. 36.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 970 Ω resistor? (a) white-violet-red (b) white-violet-black (c) violet-white-brown (d) white-violet-brown
  37. 37.🌈 A resistor has the colour bands orange, brown, orange. What is its value in kilo-ohms (kΩ)? =
  38. 38.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark an 82000 Ω resistor? (a) red-grey-orange (b) grey-red-red (c) grey-red-yellow (d) grey-red-orange
  39. 39.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 77 Ω resistor? (a) grey-violet-black (b) violet-grey-black (c) violet-violet-brown (d) violet-violet-black
  40. 40.🌈 Which colour bands (1st digit, 2nd digit, multiplier) mark a 350 Ω resistor? (a) orange-green-red (b) orange-green-brown (c) orange-green-black (d) green-orange-brown

Answer key

  1. 0
  2. 5 %
  3. green-violet-black
  4. 58
  5. 1
  6. the one nearest an end
  7. 85000
  8. white-red-brown
  9. 5200
  10. red-red-black
  11. 330
  12. violet-blue-red
  13. 89
  14. 64
  15. 9
  16. 920
  17. 65
  18. 50
  19. 2
  20. 180
  21. 980
  22. 76
  23. 2
  24. grey-violet-black
  25. 56000
  26. white-orange-brown
  27. 55
  28. 660
  29. 97000
  30. grey-black-black
  31. 920
  32. brown-orange-brown
  33. yellow-grey-red
  34. red-violet-red
  35. 65000
  36. white-violet-brown
  37. 31
  38. grey-red-orange
  39. violet-violet-black
  40. orange-green-brown

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids